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Finding the Fourth Proportional to 301,053.28, 451,579.98 and 90,691.24

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Solution

The fourth proportional to 301,053.28, 451,579.98 and 90,691.24 is: 136,036.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,053.28 : 451,579.98 = 90,691.24 : x
  2. Step 2: Convert to fraction form
    301,053.28/451,579.98 = 90,691.24/x
  3. Step 3: Cross multiply
    301,053.28x = 451,579.98 × 90,691.24
  4. Step 4: Simplify right side
    301,053.28x = 40,954,348,345.38
  5. Step 5: Solve for x
    x = 40,954,348,345.38/301,053.28
  6. Step 6: Final answer
    x = 136,036.88

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